InChI=1/C25H22N2O/c28-17-24-23-15-7-11-20(25(23)27(26-24)21-12-2-1-3-13-21)16-19-10-6-9-18-8-4-5-14-22(18)19/h1-6,8-10,12-14,17,20H,7,11,15-16H2/t20-/m0/s1 C3035357C92CF153